/*function toggle(e) {
  console.log('callback ran');
  e.target.classList.toggle('danger');
}

document.querySelector('button').addEventListener('click', toggle);*/
const posts = [
  { title: "帖⼦⼀", body: "这是帖⼦⼀" },];
  function createPost(post, cb) {
    setTimeout(() => {
    posts.push(post);
    cb();
    }, 2000);
   }
   
  function getPosts() {
    setTimeout(() => {
    posts.forEach((post) => {
    const div = document.createElement("div");
    div.innerHTML = `<h3>${post.title}</h3><p>${post.
   body}</p>`;
    document.querySelector("#posts").appendChild(div);
    });
    }, 1000);
   }
   getPosts();
   createPost({ title: "帖⼦三", body: "这是帖⼦三" }, getPosts);

   
